Improvement in compounds for filling or stuffing surfaces to be painted or varnished



UNITED STATES EXAMINE PATENT OFFICE.

DAMON R. AVERILL, OF NEW CEXTIEVILLE, NEYV YORK.

IMPROVEMENT IN COMPOUNDS FOR FILLING 0R STUFFING SURFACES TO BE PAINTEDOR VARNISHEI].

Specification forming part of Letters Patent No. 121,311, dated November28, 1871.

To all whom it may concern:

Be it known that I, DAMON R. AVERLLL, of New ()entrcville, in the countyof Oswego and State of New York, have invented a new and ImprovedCompound for Sizing or Filling Sub stances Preparatory to Painting, ofwhich the following is a speeilieation:

This invention relates to the manufacture and production of a durableand etlicient sizing, coat in;:; or filling for the purpose of covering:wood, stone, hrick, or metal. &e., pre mrator v to painting', orvarnishing, being peculiarly adapted to the coating of plastered orcement walls, paper, or cloth.

From several examples which may be presented 1 give the followingformula. not confining myself to the one herein shown, or to the exaetproportion specified,asthesamcmav hevaried aecording to the purposesrequired without departingt'rom the natureot'myinvention: l first make asaturated solution of lime-water. ;\'e \t, a solution of solublesilicate o1 soda, making 8 Baum. l\'ext,l prepar a solution ot'aeetateofzinc as follows: I take ten pounds of the sul- L l H )hate o1 zinc andfive pounds 01 the aeetate o1 lead and dissolve hoth in watcr in asuital, e

vessel, and reduce with watmil the solution makes 3 Baume. Then 1 takesix gallonsot'the lime-water aforesaid, to which 1 add three gallons ofthe silicate of soda above named, and three gallons of the solution ofthe acetate of zinc formed by the interehange of acids and bases ordouhle decomposition of the aforesaid acetate ot'lead and sulphateot'zine. Tothis mixture of the solution above mentioned is added sixgallons ot'linseed-oil. This may he applied hot or eold asaeoatlngortilling for the purposes before stated.

hat 1 claim as my improvement, and desire to secure h v Letters Patent,is-

The compound as herein speeitied, for the purpose set forth.

DAMON ll. AYERILL. \Vitnesses:

J. 11. BI'RRIDGE, W. 1.1. BURRIDGE. (107)

